fix orm entity

application/Espo/ORM/BaseEntity.php

@@ -1006,7 +1006,7 @@ class BaseEntity implements Entity
      */
     protected function cloneArray(?array $value) : ?array
     {
-        if (!$value) {
+        if ($value === null) {
             return null;
         }
 
@@ -1050,7 +1050,7 @@ class BaseEntity implements Entity
      */
     protected function cloneObject(?StdClass $value) : ?StdClass
     {
-        if (!$value) {
+        if ($value === null) {
             return null;
         }
 

tests/unit/Espo/ORM/EntityTest.php

@@ -271,6 +271,24 @@ class EntityTest extends \PHPUnit\Framework\TestCase
 
     }
 
+    public function testEmptyArray() : void
+    {
+        $job = $this->createEntity('Job', Job::class);
+
+        $job->set('array', []);
+
+        $this->assertEquals([], $job->get('array'));
+    }
+
+    public function testEmptyObject() : void
+    {
+        $job = $this->createEntity('Job', Job::class);
+
+        $job->set('object', (object) []);
+
+        $this->assertEquals((object) [], $job->get('object'));
+    }
+
     public function testCloningArray() : void
     {
         $original =  [